KR100455975B1 - 팽창 가능한 스텐트 - Google Patents
팽창 가능한 스텐트 Download PDFInfo
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- KR100455975B1 KR100455975B1 KR10-1998-0706898A KR19980706898A KR100455975B1 KR 100455975 B1 KR100455975 B1 KR 100455975B1 KR 19980706898 A KR19980706898 A KR 19980706898A KR 100455975 B1 KR100455975 B1 KR 100455975B1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30182—Other shapes
- A61F2002/30191—Other shapes heart-shaped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2002/9505—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument
- A61F2002/9511—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument the retaining means being filaments or wires
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Claims (25)
- 길이 방향 축을 갖는 가요성 관상 몸체부(1)를 구비한 팽창 가능한 스텐트로서, 상기 관상 몸체부의 벽은 서로 측방으로 근접된 2개 이상의 셀이 배열된 상호연결 및 폐쇄된 격자 셀들(2)에 의해 형성되고, 상기 각 격자 셀들(2)은 신장 및 상호 수렴하는 셀 측면부들(3)을 가지며, 상기 관상 몸체부는 스텐트가 방사상 압축 상태로부터 보다 큰 직경을 갖는 방사상 팽창 상태로 팽창 가능한 필라멘트형 격자 재료를 구비하며, 상기 격자 셀들(2) 중 몇개의 격자 재료는 상호 수렴되는 제 1 셀 측면부들(3)에 상호 연결 및 대향되게 위치된 상호 연결된 제 2 셀 측면부들(5)로 하트 형태 또는 화살촉 형태를 형성하는 팽창 가능한 스텐트.
- 제 1 항에 있어서, 상기 화살촉 또는 하트 지점들(4)은 몸체부(1)의 길이 방향을 향하며, 상기 화살촉 또는 하트 지점들(4)의 동일한 배향을 갖는 2개의 이웃격자 셀들 사이의 간격은 화살촉 또는 하트 지점들(4)의 대향 방향의 격자 셀로 구성되는 팽창 가능한 스텐트.
- 제 2 항에 있어서, 상기 몸체부(1) 주변 방향의 환형 열에서 서로 근접된 격자 셀들(2)은 교대로 배향된 화살촉 또는 하트 지점들(4)을 가지며, 상기 몸체부의 길이를 따라 반복되는 격자 패턴을 구성하는 팽창 가능한 스텐트.
- 제 1 항에 있어서, 상기 각각의 제 2 셀 측면부들(5)은 제 2 길이(Y)를 가지며, 상기 수렴하는 각각의 제 1 셀 측면부들(3)은 제 1 길이(X)를 갖는 팽창 가능한 스텐트.
- 제 4 항에 있어서, 상기 제 1 길이(X) 및 제 2 길이(Y)는 동일한 팽창 가능한 스텐트.
- 제 4 항에 있어서, 상기 제 1 길이(X) 및 제 2 길이(Y)는 상이한 팽창 가능한 스텐트.
- 제 1 항에 있어서, 상기 수렴하는 제 1 셀 측면부들(3) 사이에서 셀 안으로 대면하는 제 1 각도(α )는 20도 내지 160도 범위 내에 있으며, 제 2 셀 측면부들(5) 사이에서 셀 안으로 대면하는 제 2 각도(β )는 184도 내지 340도 범위 내에 있는 팽창 가능한 스텐트.
- 제 7 항에 있어서, 상기 제 1 각도(α )는 60도 내지 120 범위 내에 있으며,상기 제 2 각도(β )는 210도 내지 320도 범위 내에 있는 팽창 가능한 스텐트,
- 제 7 항에 있어서, 상기 제 1 각도(α )와 제 2 각도(β )의 합계는 345도 내지 360도 범위 내에 있는 팽창 가능한 스텐트.
- 제 9 항에 있어서, 상기 제 1 각도(α)와 제 2 각도(β )의 합계는 360도인 팽창 가능한 스텐트.
- 제 7 항에 있어서, 상기 제 1 각도(α)는 90도이며, 제 2 각도(β )는 270도인 팽창 가능한 스텐트.
- 제 7 항에 있어서, 상기 수렴하는 제 1 셀 측면부들(3) 및 제 2 셀 측면부들(5)은 모두 몸체부(1)의 길이 방향으로 10도 내지 45도 사이의 각도를 형성하는 팽창 가능한 스텐트.
- 제 12 항에 있어서, 상기 제 1 셀 측면부들(3)은 길이 방향으로 40도 내지 45도 사이의 각도를 형성하는 팽창 가능한 스텐트.
- 제 1 항에 있어서, 상기 격자 셀들(2) 내의 제 1 각도(α)는 몸체부의 다른영역에서보다 몸체부(1)의 한 영역에서 보다 작은 팽창 가능한 스텐트.
- 제 1 항에 있어서, 상기 격자 셀들(2) 내의 제 2 각도(β )는 몸체부의 다른영역에서보다 몸체부(1)의 한 영역에서 보다 크며, 상기 제 2 각도(β )는 몸체부의 단부 영역에서 보다 크게 되는 팽창 가능한 스텐트.
- 제 1 항에 있어서, 상기 몸체부(1)의 하나 이상의 단부에서, 상기 격자 셀들(2)의 제 1 및 제 2 셀 측면부들(3, 5)은 보다 큰 길이를 가지고, 상기 격자 셀들(2)은 몸체부의 중앙에서보다 제 2 셀 측면부들(5) 사이에서 보다 작은 각도(β )를 가지며, 상기 몸체부는 중앙에서 보다 단부에서 보다 큰 직경을 갖는 팽창 가능한 스텐트.
- 제 1 항에 있어서, 상기 몸체부(1)의 주변 방향의 환형 열에서 격자 셀들(2)의 수(N)는 mm로 측정된 몸체부의 반경에 대응하는 팽창 가능한 스텐트.
- 제 1 항에 있어서, 상기 몸체부(1)는 제 1 및 제 2 셀 측면부들(3, 5)을 구성하며, 또한 상기 제 1 및 제 2 셀 측면부들 쌍의 근접 단부에서 서로에 대해 감겨지는 다수의 필라멘트들(10, 11)에 의해 형성되는 팽창 가능한 스텐트.
- 제 18 항에 있어서, 상기 각각의 필라멘트들(10, 11)은 몸체부(1)의 길이 방향으로 계단식 나선형 또는 계단식 웨이브형 경로를 갖는 팽창 가능한 스텐트.
- 제 1 항에 있어서, 상기 몸체부(1)는 셀 개구들(2)이 형성된 얇은 벽의 플레이트 피스 또는 얇은 벽의 튜브로 형성되는 팽창 가능한 스텐트.
- 관상 몸체부를 갖는 팽창 및 절첩 가능한 스텐트로서, 상기 몸체부는 측방으로 상호 연결된 셀 측면부들을 갖는 2개 이상의 열로 구성된 폐쇄 격자 셀들로 구성되며, 하나의 열로 구성된 셀들은 다른 열로 구성된 셀들에 인접하며, 상기 격자 셀들은 공통의 셀 측면부들을 가지며, 인접한 측면부들의 방향은 2개 이상의 열이 방사상으로 압축되거나 팽창될 때 스텐트가 길이 방향으로 크게 팽창하거나 수축하지 않도록 설정되는 팽창 및 절첩 가능한 스텐트.
- 제 21 항에 있어서, 상기 하나의 열의 격자 셀들은 근접 열의 격자 셀들에 대향된 방향으로 배향되며, 상기 하나의 셀들은 근접 열들 내의 근접 셀들에 대해 오프-셋 되는 팽창 및 절첩 가능한 스텐트.
- 제 22 항에 있어서, 상기 각각의 열의 셀들은 정점(peak)들과 골(trough)들을 갖는 파도 형태의 패턴을 집합적으로 형성하며, 상기 하나의 열이 셀들의 정점들은 근접 열들의 셀들의 골들에 결합되는 팽창 및 절첩 가능한 스텐트.
- 제 23 항에 있어서, 상기 각각의 열의 정점들 및 골들은 각지거나, 둥글거나 또는 평평하게 되는 팽창 및 절첩 가능한 스텐트.
- 제 23 항에 있어서, 상기 각진 정점들은 90도의 범위 내에 있는 팽창 및 절첩 가능한 스텐트.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1299996P | 1996-03-07 | 1996-03-07 | |
| US60/012,999 | 1996-03-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990087472A KR19990087472A (ko) | 1999-12-27 |
| KR100455975B1 true KR100455975B1 (ko) | 2005-06-17 |
Family
ID=21757782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-1998-0706898A Expired - Lifetime KR100455975B1 (ko) | 1996-03-07 | 1997-03-07 | 팽창 가능한 스텐트 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5968088A (ko) |
| EP (1) | EP0886501B1 (ko) |
| JP (1) | JP3815622B2 (ko) |
| KR (1) | KR100455975B1 (ko) |
| CN (1) | CN1183978C (ko) |
| AU (1) | AU734392B2 (ko) |
| CA (1) | CA2247891C (ko) |
| DE (1) | DE69725120T2 (ko) |
| DK (1) | DK0886501T3 (ko) |
| ES (1) | ES2208886T3 (ko) |
| WO (1) | WO1997032546A1 (ko) |
Families Citing this family (97)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6039749A (en) | 1994-02-10 | 2000-03-21 | Endovascular Systems, Inc. | Method and apparatus for deploying non-circular stents and graftstent complexes |
| US6666883B1 (en) | 1996-06-06 | 2003-12-23 | Jacques Seguin | Endoprosthesis for vascular bifurcation |
| US6070589A (en) | 1997-08-01 | 2000-06-06 | Teramed, Inc. | Methods for deploying bypass graft stents |
| US6290731B1 (en) | 1998-03-30 | 2001-09-18 | Cordis Corporation | Aortic graft having a precursor gasket for repairing an abdominal aortic aneurysm |
| US7500988B1 (en) | 2000-11-16 | 2009-03-10 | Cordis Corporation | Stent for use in a stent graft |
| US6887268B2 (en) | 1998-03-30 | 2005-05-03 | Cordis Corporation | Extension prosthesis for an arterial repair |
| US6520983B1 (en) | 1998-03-31 | 2003-02-18 | Scimed Life Systems, Inc. | Stent delivery system |
| WO2000044309A2 (en) | 1999-02-01 | 2000-08-03 | Board Of Regents, The University Of Texas System | Woven bifurcated and trifurcated stents and methods for making the same |
| EP1156757B1 (en) * | 1999-02-01 | 2005-12-07 | Board of Regents, The University of Texas System | Woven intravascular devices and methods for making the same |
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1997
- 1997-03-07 AU AU21991/97A patent/AU734392B2/en not_active Expired
- 1997-03-07 KR KR10-1998-0706898A patent/KR100455975B1/ko not_active Expired - Lifetime
- 1997-03-07 CA CA002247891A patent/CA2247891C/en not_active Expired - Lifetime
- 1997-03-07 CN CNB971941025A patent/CN1183978C/zh not_active Expired - Lifetime
- 1997-03-07 ES ES97914909T patent/ES2208886T3/es not_active Expired - Lifetime
- 1997-03-07 WO PCT/US1997/003596 patent/WO1997032546A1/en not_active Ceased
- 1997-03-07 DK DK97914909T patent/DK0886501T3/da active
- 1997-03-07 JP JP53196597A patent/JP3815622B2/ja not_active Expired - Lifetime
- 1997-03-07 DE DE69725120T patent/DE69725120T2/de not_active Expired - Lifetime
- 1997-03-07 US US08/813,650 patent/US5968088A/en not_active Expired - Lifetime
- 1997-03-07 EP EP97914909A patent/EP0886501B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DK0886501T3 (da) | 2003-11-24 |
| CA2247891A1 (en) | 1997-09-12 |
| CN1219115A (zh) | 1999-06-09 |
| JP3815622B2 (ja) | 2006-08-30 |
| DE69725120T2 (de) | 2004-07-08 |
| US5968088A (en) | 1999-10-19 |
| ES2208886T3 (es) | 2004-06-16 |
| CA2247891C (en) | 2007-07-31 |
| KR19990087472A (ko) | 1999-12-27 |
| CN1183978C (zh) | 2005-01-12 |
| DE69725120D1 (de) | 2003-10-30 |
| EP0886501A1 (en) | 1998-12-30 |
| AU734392B2 (en) | 2001-06-14 |
| WO1997032546A1 (en) | 1997-09-12 |
| JP2000506753A (ja) | 2000-06-06 |
| AU2199197A (en) | 1997-09-22 |
| EP0886501B1 (en) | 2003-09-24 |
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